256GB (8 x 32GB) PC21300 2666 MHz RDIMM for Mac Pro 2019 / 2020 8-CoreOWC
256GB Memory Upgrade Kit (8 x 32GB) PC21300 2666 MHz RDIMM for Mac Pro 2019 / 2020 8-Core
- Form Factor: RDIMM
- Type of Memory: DDR4
- PC Speed: PC21300
- RoHS Compliant: Yes
- Data Rate: 2666MT/s
- I/O Clock Speed: 1333MHz
- Bandwidth: 21.3GB/s
- Error Correction: ECC
- Registration: Registered
Timing: CAS = 19.0
- Cycle Time: 0.75 ns
- Voltage: 1.2 Volts
- Pin Count: 288-pin
- Chip Architecture: 4096M x 72
- Printed Circuit Board Type: Low noise 8-layer PCB
- Ambient Temperature: Operating: 32°F to 185°F (0°C to 85°C)
- Warranty Safe Upgrade.
- OWC Memory Lifetime Limited Warranty including Advanced Replacement Program
Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined.
Mac Pro supports up to 12 DIMMs installed in configurations of 4, 6, 8, or 12 DIMMs.
Configurations of 5, 7, 9, 10, and 11 DIMMs are not supported.
Other configurations of 1, 2, and 3 DIMMs are for diagnostic use only